poisonous substance

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any substance that causes injury or illness or death of a living organism
• Syn:
poison, toxicant
• Derivationally related forms:
poisonous (for: poison), poison (for: poison)
• Hypernyms:
substance
• Hyponyms:
atropine, hyoscyamine, toxin